5515055166157 has 8 divisors (see below), whose sum is σ = 5531537960312. Its totient is φ = 5498573068800.

The previous prime is 5515055166143. The next prime is 5515055166259. The reversal of 5515055166157 is 7516615505155.

It can be written as a sum of positive squares in 4 ways, for example, as 693565833636 + 4821489332521 = 832806^2 + 2195789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5515055166157 - 2⁷ = 5515055166029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515055166757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18739807 + ... + 19031827.

It is an arithmetic number, because the mean of its divisors is an integer number (691442245039).

Almost surely, 2^{5515055166157} is an apocalyptic number.

It is an amenable number.

5515055166157 is a deficient number, since it is larger than the sum of its proper divisors (16482794155).

5515055166157 is a wasteful number, since it uses less digits than its factorization.

5515055166157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348399.

The product of its (nonzero) digits is 3937500, while the sum is 52.

The spelling of 5515055166157 in words is "five trillion, five hundred fifteen billion, fifty-five million, one hundred sixty-six thousand, one hundred fifty-seven".